highintensityintervaltraining

HIIT Training: What, When, and How

By Coach Maria Simone High Intensity Interval Training, a.k.a. HIIT, makes your muscles AND lungs burn and scream. These are the sessions where you beg for mercy – only to realize the endurance sport gods don’t care.  More scientifically, HIIT works your anaerobic energy system, with intervals that are approximately 30 seconds to 3 minutes in length. Depending[…]

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